Table 1.
Experimental feed program1: feed composition (% by weight).
| Ingredient | Starter 1 | Starter 2 | Grower 1 | Grower 2 | Finisher 1 | Finisher 2 |
|---|---|---|---|---|---|---|
| Corn | 18.60 | 22.00 | 26.20 | 34.30 | 40.70 | 44.50 |
| Wheat | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 |
| Soybean meal | 38.00 | 35.00 | 30.00 | 22.50 | 17.00 | 13.40 |
| Poultry meal | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 |
| Fat | 7.03 | 7.03 | 8.09 | 8.08 | 8.05 | 8.08 |
| Limestone | 1.80 | 1.65 | 1.58 | 1.45 | 1.10 | 1.08 |
| Monocalcium2 | 2.55 | 2.35 | 2.25 | 2.00 | 1.50 | 1.35 |
| Salt | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 |
| Mineral mix3 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 |
| Vitamin mix4 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 |
| Selenium mix | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| Choline chloride | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 |
| Lysine5 | 0.45 | 0.44 | 0.41 | 0.33 | 0.33 | 0.30 |
| Methionine6 | 0.45 | 0.43 | 0.38 | 0.30 | 0.28 | 0.25 |
| Sodium bicarbonate | 0.13 | 0.13 | 0.13 | 0.13 | 0.13 | 0.13 |
| Threonine | 0.15 | 0.13 | 0.13 | 0.08 | 0.08 | 0.08 |
| Ingredient total | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
| Feed per bird (kg)7 | 2.73 | 5.45 | 8.18 | 11.36 | 13.64 | 15.91 |
Both reduced abundances of feed-fines (RFF) and increased abundance of feed fines (IFF) feeds shared the same ingredient composition.
Monocalcium phosphate.
Mineral premix provided the following per kg of diet: 120 mg manganese; 120 mg zinc; 80 mg iron; 10 mg copper; 2.4 mg iodine; 1 mg cobalt.
Donated by DSM Nutritional Products; Vitamin premix provided the following per kg of diet: 26,455 IU vitamin A; 7937 IU vitamin D3; 132 IU vitamin E; 0.08 mg vitamin B12; 0.51 mg biotin; 8 mg menadione; 8 mg thiamine; 26 mg riboflavin; 44 mg pantothenic acid; 16 mg vitamin B6; 220 mg niacin; 4 mg folic acid.
Ajinomoto North America.
Evonik North America.
Feed provided to birds in kg per feed phase. Birds fed ad libitum.